32-year-old Eri na is divorced due to her husband's gambling addiction. The one who healed her wounded heart was Masao, a 51-year-old man who also experienced divorce. Drawn to Masao's kind and sincere nature as a single father who raised his son Hajime, Eri na decides to remarry. However, she continues to feel a certain emptiness in her daily life with her older husband. Burdened by guilt toward his wife and regret over his own inadequacies, Masao struggles to overcome the challenges in their relationship.